.\" Copyright (c) 1996 Doug Rabson
.\"
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.\" $FreeBSD: src/share/man/man9/VOP_MMAP.9,v 1.4 1999/08/28 00:21:14 peter Exp $
.\" $DragonFly: src/share/man/man9/VOP_MMAP.9,v 1.3 2004/06/01 11:36:53 hmp Exp $
.\"
.Dd July 24, 1996
.Os
.Dt VOP_MMAP 9
.Sh NAME
.Nm VOP_MMAP
.Nd map a file into memory
.Sh SYNOPSIS
.Fd #include <sys/param.h>
.Fd #include <sys/vnode.h>
.Ft int
.Fn VOP_MMAP "struct vnode *vp" "int fflags" "struct ucred *cred" "struct proc *p"
.Sh DESCRIPTION
Map the contents of a file into memory using the VM system.
.Pp
Its arguments are:
.Bl -tag -width fflags
.It Ar vp
the vnode of the file
.It Ar fflags
some flags ???
.It Ar cred
the caller's credentials
.It Ar p
the calling process
.El
.Pp
Most filesystems do not implement this entry point.
.Sh PSEUDOCODE
.Bd -literal
int
vop_mmap(struct vnode *vp, int fflags,
	   struct ucred *cred, struct proc *p)
{
    return EINVAL;
}
.Ed
.Sh SEE ALSO
.Xr vnode 9
.Sh AUTHORS
This man page was written by
.An Doug Rabson .